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Age of Transfused Blood in Critically Ill Adults
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Journal Article
Age of Transfused Blood in Critically Ill Adults
2015
Overview
In a trial involving more than 2400 critically ill patients, 90-day mortality was similar among patients receiving blood donated on average 6 days earlier and those receiving blood donated 22 days earlier. The age of the transfused blood did not influence outcomes.
Blood transfusions are administered frequently and may have unintended consequences in critically ill patients.
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Current regulations permit the storage of red cells for up to 42 days, but prolonged storage has been associated with changes that may render red cells ineffective as oxygen carriers and that lead to the accumulation of substances that have untoward biologic effects.
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A systematic review of 18 observational studies involving a total of 409,840 patients and three randomized, controlled trials involving a total of 126 patients suggested that the transfusion of older red cells, as compared with newer red cells, was associated with . . .
Publisher
Massachusetts Medical Society
Subject
